Showing 1 - 1 results of 1 for search '"Coal"', query time: 0.13s Refine Results
  1. 1
    Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources /
    by Mayercheck, William D.
    Published 1990
    Subjects: “...Coal mines and mining Appalachian Region....”
    Government Document Book
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